User blog:IFauxy/Which team should I use?

Okay so, I have lots of teams I wanna use. Which one tho?

​First One:

​Primarina

Mega Crystal Steelix

Drifblim

Mega Shiny Gyarados

Latios

Snorlax

​Second One:

​Primarina

Drifblim

Aegislash

Latios

Shiny Tsareena

Mega Crystal Steelix

​Third One

​Primarina

Drifblim

Shiny Tsareena

Aegislash

Sylveon

Suicune

So which one?